void CTreeCtlDlg::OnClickedButtPrint() { // TODO: Add your control notification handler code here TVINSERTSTRUCT tInsert; HTREEITEM hFood; HTREEITEM hFoodSort; tInsert.hParent=0; tInsert.hInsertAfter=TVI_SORT; tInsert.item.mask=TVIF_TEXT; tInsert.item.pszText="食物"; hFood=m_ctlTree.InsertIt